Property Taxes in Tall Timbers, Maryland
Median Tall Timbers, Maryland effective property tax rate: 1.01%, significantly lower than the national median of 1.02%, and lower than the Maryland state median of 1.21%.
Median Tall Timbers, Maryland home value: $437,300
Median annual Tall Timbers, Maryland tax bill: $4,320, $1,920 higher than the national median property tax bill of $2,400.
How are property taxes in St. Mary's calculated?
Property taxes in Tall Timbers, Maryland are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Tall Timbers's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Tall Timbers, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Tall Timbers Property Tax Calculator Work?
Use this Tall Timbers property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Tall Timbers' median effective tax rate of 1.01% — based on actual property records in St. Mary's County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment office uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Tall Timbers' median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Tall Timbers: rates range from 1.01% in 20690 to 1.01% in 20690, primarily due to differences in school district levies and local assessment districts. Tall Timbers' median property tax bill of $4,320 is higher than the national median property tax bill of $2,400 and higher than Maryland's median tax bill of $2,400 by $1,920.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Tall Timbers.
About Tall Timbers Property Taxes
About Property Taxes in Tall Timbers, St. Mary's, Maryland
Tall Timbers’ median effective property tax rate of 1.01% is lower than the St. Mary's County median of 1.21% and lower than the national median of 1.02%. This rate reflects the St. Mary's County base levy combined with local school district levies and special taxing districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Tall Timbers. Homeowners in ZIP code 20690 carry a median effective rate of 1.01%, and the same ZIP code also reflects the city’s median home price of $437,300 and median tax bill of $4,320. Understanding how local assessment districts are drawn across St. Mary's County can make a meaningful difference to your annual tax bill.
Tall Timbers homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the February 13, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Tall Timbers, St. Mary's County, Maryland
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Tall Timbers's effective property tax rate to other cities in Maryland and the median property tax rates in Maryland and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Tall Timbers Tax Rate
1.01%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective St. Mary's County Tax Rate
1.00%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Tall Timbers, St. Mary's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20690 | 0.91% | 0.95% | 1.01% | 1.05% | 1.07% |
Source: Ownwell
Property Tax Assessment Values Across Tall Timbers, St. Mary's County, Maryland
When examining property taxes in Tall Timbers, Maryland, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The St. Mary's County appraisal district estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In St. Mary's County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of December.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. The median home price in Tall Timbers is $437,300, and the median tax bill is $4,320, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. For example, 20690 has the highest median home price at $437,300.
Property Tax Assessment Values Across Tall Timbers, St. Mary's County, Maryland
Source: Ownwell
$243,700
$385,275
$526,850
Median Tall Timbers Market Value
$437,300
Median St. Mary's County Market Value
$332,600
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Tall Timbers, St. Mary's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20690 | $214,590 | $294,700 | $437,300 | $628,550 | $738,770 |
Source: Ownwell
Property Tax Bills Across Tall Timbers, St. Mary's County, Maryland
Property tax bills in Tall Timbers are based on the assessed value of a home and the local tax rate set by St. Mary's County. When a property’s market value rises, the assessed value can increase as well, which may lead to a higher tax bill. For a home with a median price of $437,300, the property tax bill can vary widely depending on the assessment and the rate applied.
The typical tax bill in Tall Timbers is $4,320, which is above the national median property tax bill of $2,400. Bills in the area also range from $2,964 at the 25th percentile to $6,111 at the 75th percentile, with the 90th percentile reaching $7,063. That means homeowners may see very different tax obligations even among similar homes, depending on how the property is assessed and where it is located within the county.
Property Tax Bills Across Tall Timbers, St. Mary's County, Maryland
Source: Ownwell
$2,626
$3,873
$5,119
Median Tall Timbers Tax Bill
$4,320
Median St. Mary's County Tax Bill
$3,276
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Tall Timbers, St. Mary's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20690 | $2,108 | $2,964 | $4,320 | $6,111 | $7,063 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| St. Mary's Tax Assessor | |
| Website | sdat.dat.maryland.gov |